So what did they find at the end of snow season? Those who had taken the supplements avoided dryness, appeared less gray and washed-out and had thicker skin and a decreased level of skin anisotropy than their placebo-taking counterparts. Plus, oral supplements, which contain antioxidants like vitamins E and C, come with no serious side effects, according to the study. (But don't toss out your creams just yet: Subjects were allowed to use "basic moisturizing products" in addition to the supplements.)

Unfortunately, since the study was only conducted over a four-month period, researchers weren't able to gauge whether or not the supplements actually prevented sagging and wrinkles, which develop over the course of years, not seasons.

Rihanna is almost never seen sporting the same hairstyle twice. From mohawks to flowing locks, RiRi's love of variety means she spends over <a href="http://www.dailymail.co.uk/tvshowbiz/article-2023257/Rihannas-styling-hair-raising-14-000-week.html?ito=feeds-newsxml">$23,000 a week on a personal hair stylist</a> -- that's more than a million dollars a year!